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Recommended Fertilization Plan for Citrus (Per Mature Tree)


Fertilizing Time
Fertilization Principles
Fertilization Plan
Fertilizer
Fertilizer Rate
Notes

First Time

Spring Growth Fertilization

High nitrogen fertilizer,

promoting vegetative growth
Quality Plan

Calcium Ammonium Nitrate (with boron)

or Nitrogen Calcium Nagnesium Boron Zinc fertilizer

1-2kg per plant,

Adjust the fertilizer dosage appropriately according to the tree age and the condition of the base fertilizer.
Adjust the fertilizer dosage and time appropriately based on the condition of the base fertilizer
Integrated Water and Fertilizer Management Plan(NPK)
30-10-10+TE（B/Zn）

Second Time

Summer Fertilization

Phosphorus Supplementation,

lays the foundation for the flower bud differentiation in the coming year

Quality Plan

(Containing Humic Acid)
19-19-19+TE（HA\Fe\Zn）

1-2kg per plant,

Adjust fertilizer dosage based on the flowering volume, fruit setting rate and growth condition.
Based on the growth condition and growth requirements of the fruit trees, foliar spraying of Calcium Ammonium Nitrate or Potassium Dihydrogen Phosphate

Integrated Water and Fertilizer Management Plan

(NPK  Series)


20-20-20+TE（Mg\Fe\Zn\Cu）
The third/fourth Time
Enlarging Fertilizer

High potassium fertilizer,

Promoting fruit enlargement and improving fruit quality

Quality Plan

(Containing Humic Acid)
15-5-25 or 10-5-30（HA）

1-2kg per plant,

Adjust the ratio of nitrogen and potassium fertilizer based on the condition of tree growth and fruit enlargement.
Fertilization can be carried out once or twice based on the growth condition, foliar spraying of potassium nitrate.

Integrated Water and Fertilizer Management Plan

(NPK  Series)

12-4-39+TE or 6-5-41+TE（Fe\Zn\Cu）

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